diff --git a/docs/changelog.rst b/docs/changelog.rst
index 4d459bd..cd289b6 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -18,6 +18,7 @@
 * Added :class:`~cryptography.hazmat.primitives.kdf.hkdf.HKDF`.
 * Added :doc:`/hazmat/backends/multibackend`.
 * Set default random for the :doc:`/hazmat/backends/openssl` to the OS random engine.
+* Added :class:`~cryptography.hazmat.primitives.ciphers.algorithms.CAST5` (CAST-128) support.
 
 0.1 - 2014-01-08
 ~~~~~~~~~~~~~~~~